Hydraulic Parts
Hydraulic pump parts, travel motor parts, and swing motor parts for excavators.
In an excavator, the hydraulic components we commonly refer to include not only the components inside the hydraulic pump but also the hydraulic components inside the walking motor (travel motor) and rotary motor (swing motor). 
Among these hydraulic components, there are usually pump covers, cylinder blocks, valve plates, ball guides, retainer plates, shoe pistons, thrust plates, pins, drive shafts, friction plates, separating plates, cam rocking, disk springs, sliding bearing, bearing seat, socket bolts, center pins, fix plates, shim, york assembly,  oil seal repair kits, and so on. 
Generally, the hydraulic pump used in excavators is a single pump, but some excavators also use a dual hydraulic pump (double-pumps). 
In the market, there are generally the following original equipment manufacturers for hydraulic pumps, walking motors, and rotary motors: 
  • Bosch Rexroth
  • Parker Hannifin
  • Eaton
  • Kawasaki
  • KYB (Kabaya)
  • Caterpillar
  • Linde Hydraulics
  • Danfoss Power Solutions
  • Sauer-Danfoss (now Danfoss Power Solutions)
  • Nabtesco